Air cleaner



FIG. 1 is the front perspective view of an air cleaner showing our new design;

FIG. 2 is the front elevation view thereof;

FIG. 3 is the rear elevation view thereof;

FIG. 4 is the left-side elevation view thereof;

FIG. 5 is the right-side elevation view thereof;

FIG. 6 is the top-side plan view thereof;

FIG. 7 is the bottom-side plan view thereof;

FIG. 8 is the front perspective view thereof, with drawers of the air cleaner opened; and,

FIG. 9 is the front perspective view thereof, with a door of the air cleaner being shown in another position and the inside shelf extended.

The broken lines illustrating portions of the air cleaner are for environmental purposes only and form no part of the claimed design. 

CLAIM We claim, the ornamental design for an air cleaner, as shown and described. 